function slidePicNews() {
   var ref = this;

   this.imgWidth=320;  //图片宽度
   this.imgHeight=240; //图片高度
   this.fontSize=14;   //图片文字字号
   this.fontWeight="bold"; //图片文字加粗
   this.lineHeight=24;
   this.numHeight=16; //切换数字位于图片的垂直位置
   this.timer=5000; //切换速度

   this.targetID = ''; //控制栏目的编号

   this.srcs=new Array();
   this.hrefs=new Array();
   this.texts=new Array();

   var adNum=-1;
   var _timer = null;

   var gE = function() {
      return document.getElementById(arguments[0]);
   };

   function PreloadImages() {
   	var preloadedimages=new Array();

   	for (i=1;i<ref.srcs.length;i++) {
   		preloadedimages[i]=new Image();
   		preloadedimages[i].src=ref.srcs[i];
   	}
   };

//   function setTransition() {
//   	if (document.all) {
//   		slide7pic.filters.revealTrans.Transition=Math.floor(Math.random()*23);
//   		slide7pic.filters.revealTrans.apply();
//   	}
//   };
//
//   function playTransition() {
//   	if (document.all) slide7pic.filters.revealTrans.play()
//   };

   var nextAd = function(){
   	if (adNum<ref.srcs.length-1)
   		adNum++ ;
   	else
   		adNum=0;
   //setTransition();
   	if (ref.texts.length>adNum) gE("slide_news_"+ref.targetID+"_title").innerHTML='<a href="'+ref.hrefs[adNum]+'" target="_blank">'+ref.texts[adNum]+'</a>';
   	document.images["slide_news_"+ref.targetID+"_pic"].src=ref.srcs[adNum];
   	var obj=gE("slide_news_"+ref.targetID);
   	if (obj) obj.href=ref.hrefs[adNum];
   //playTransition();
   	for (i=0;i<ref.srcs.length;i++)
   	   gE('s_'+ref.targetID+'_led_'+i).className='s7_num1';
   	gE('s_'+ref.targetID+'_led_'+adNum).className='s7_num2';
   	if (typeof(ref.timer)=="undefined") ref.timer=5000;
   	if (ref.timer>0) _timer7=setTimeout(nextAd, ref.timer);
   }

   this.slideTo = function(evt) {
     evt = evt || window.event;
     var t = evt.target || evt.srcElement;

   	adNum=(parseInt(t.id.split("_").pop()) || 0) - 1;
   	clearTimeout(_timer7);
   	nextAd();
   }

   this.init = function() {
   	var cid = ref.targetID;
   	var d = gE("slide_"+cid);
   	if (ref.srcs.length==0) return;

   	PreloadImages();
   	//ref.lineHeight+=5;

   	str='<div style="width:'+ref.imgWidth+'px;height:'+(ref.imgHeight+((ref.lineHeight==5)?0:ref.lineHeight))+'px;overflow:hidden">';
   	
	str+='<div><a id="slide_news_'+cid+'" target="_blank">';
   	str+='<img style="filter:revealTrans(duration=2,transition=20)" width="'+ref.imgWidth+'" height="'+ref.imgHeight+'" src="'+ref.srcs[0]+'" border="0" name="';
   	str+="slide_news_"+cid+"_pic";
   	str+='" /></a></div>';
   	
	str+='<div id="slide_news_'+cid+'_title" style="height:'+(ref.lineHeight)+'px;line-height:'+(ref.lineHeight)+'px;text-align:center;overflow:hidden;font-size:'+ref.fontSize+'px;font-weight:'+ref.fontWeight+'">';
   	if (ref.texts.length>0) str+='<a href="'+ref.hrefs[0]+'" target="_blank">'+ref.texts[0]+'</a>';
   	str+='</div>';
	
   	str+='<div class="slide7nums" style="height:'+ref.numHeight+'px;top:-'+(ref.numHeight+ref.lineHeight+1)+'px;padding-right:1px;left:0px;overflow:hidden;position:relative">';
   	for (var i=ref.srcs.length-1;i>=0;i--) {
   		str+='<div id="s_'+cid+'_led_'+i+'" class="s7_num';
   		if (i==0)
   			str+="2";
   		else
   			str+="1";
   		str+='">'+(i+1)+'</div>';
   	}
   	str+='</div>';
	
   	str+='</div>';
   	d.innerHTML=str;
    
	//alert(str);
   	for (i = 0; i < ref.srcs.length; i++) {
   	   gE("s_" + cid + "_led_" + i).onclick = ref.slideTo;
   	}

   	d.style.display = "";
   	nextAd();
   }
}